111results about "Network topologies" patented technology

A method of handling positioning measurement for a relay in a wireless communications system is disclosed. The method comprises communicating with a mobile device and a base station to serve the mobile device for conveying signaling between the mobile device and the base station, and transmitting a first reference signal associated with a positioning measurement to the mobile device.

The invention relates to a software defined networking load balancing device and method belonging to the mobile communication technical field. In the method, core network switches are virtualized as virtual switches according to the business support capability, further network slices are constructed on the basis of the virtual switches; a load balancing device on an SDN (software defined networking) control plane collects user business characteristic information and network slice state information, data stream routing load states and slice built-in virtual switch load states are evaluated, a network slice data stream routing switching strategy is determined so as to realize load balancingamong the network slices and in the slices. According to the method and device provided in the invention, the load balancing among the network slices and in the slices is realized; and the utilization rate and the user QoS of the network equipment can be effectively promoted.

A mobile ad-hoc network (MANET) may include a plurality of nodes for transmitting data therebetween and a policing node. The policing node may detect intrusions into the MANET by monitoring transmissions among the plurality of nodes to detect transmissions during an unauthorized period and generate an intrusion alert based thereon. The policing node may also detect intrusions based upon one or more of integrity check values which do not correspond with respective data packets, usage of non-consecutive media access control (MAC) sequence numbers by a node, and collisions of packet types and/or MAC addresses.

An embodiment of the invention relates to a local area sensor network including a central unit configured to receive a resource allocation request from a priority network sensor in a reserved timeslot and in response to designate a shared timeslot allocation. The priority network sensor transmits a resource allocation request in a reserved timeslot, and the sensor transmits data in the allocated shared timeslot. A sensor network can be formed with multiple gateways that each communicate over wired and wireless portions of the network. The central unit communicates with the gateways over the wired portion of the network. Wireless nodes communicate wirelessly with the gateways. The central unit receives a plurality of link quality indicators from the gateways for respective wireless paths to the wireless sensors, and selects a gateway for relaying a message from the central unit to a wireless sensor based on the link quality indicators.

In a system and method for handoff using a hybrid network, a wireless local area network (WLAN) terminal determines its own position information through communication with a code division multiple access (CDMA) base station and a global positioning system (GPS) satellite, and a cell mapping server obtains information about a WLAN cell where the WLAN terminal is currently located from the WLAN terminal position information, determines information about a cell to which the terminal is expected to be handed off from the current position of the WLAN terminal, and provides the cell information to the WLAN terminal. This allows handoff to be performed without scanning a destination access point, thereby significantly reducing WLAN handoff time.

Disclosed is a headset which includes a radio communication unit and control unit. The radio communication unit has 2 communication mode. The first mode is used for communication with an access point connected to a fixed network. The second mode is used for communication with a specific portable communication terminal. The communication control unit judges whether the headset can communicate with the access point. The communication control unit selects either one of said first and said second mode based on the judgment result. When the first mode is selected, the communication control unit connects the headset to the fixed network with the telephone number of the specific portable communication terminal as a telephone number of the call originating party.

A radio frequency transceiver for a wireless local area network (LAN) may have two or more antennae. An active antenna that delivers a data-bearing signal having a signal quality at least as good as any of the antennae may be selected based upon measurements of the signal quality during a preamble field of data frames having a substantially longer preamble field than other data frames.

A method for dynamically allocating signal processing resources in a wireless multichannel broadband base station (BBS) for a cellular communications network including determining a number of available channel processor (CP) resources which are unused in a BBS. In response to notification of a subscriber call to be processed by a cell of the BBS, a determination is made as to whether the number of available CP resources is at least one. If so, then the call is assigned to any available CP resource in the BBS. Each of the CPs in the BBS process any of a plurality of traffic channels contained on any frequency channel assigned to the BBS. In addition, an apparatus for practicing the method is disclosed.

According to an embodiment is a system that selectively permits or denies access to a restricted environment. Access can be based at least in part on the status of wireless transmitters of a mobile device, the status is one of active or inactive wireless communication. The system can automatically inactivate or disable a transmitter through a wireless command and thereafter permit access to the restricted environment. The mobile device can communicate wirelessly through one of a wireless local-area networks (WLAN), wireless wide-area network (WWAN), wireless personal-area network (WPAN).

A system wherein a mobile terminal can control the operation of an external communication device using wire/wireless local-area communication. The mobile terminal includes a local-area wireless communication module, and acts to perform the local-area wireless communication using the local-area wireless communication module. The communication device accesses an Internet communication network in response to an Internet access command input thereto to perform wire Internet communication. A wire/wireless data format conversion device is provided to perform the local-area wireless communication with the mobile terminal and wire communication with the communication device, and, in order to enable communication between the mobile terminal and the communication device, convert the format of received data into a format recognizable by a destination device, said destination device being one of the mobile terminal and communication device, and send the resulting data to the destination device over a corresponding transmission channel. The wire/wireless data format conversion device, upon receiving the Internet access command from the mobile terminal, converts the format of the received Internet access command into one recognizable by the communication device and sends the resulting Internet access command to the communication device and, upon receiving Internet access result information from the communication device, converts the format of the received result information into one recognizable by the mobile terminal and transmits the resulting result information to the mobile terminal.

The present invention discloses a Discontinuous Reception (DRX) parameter configuration method for facilitating Automatic Neighbor Relation (ANR) measurement. The method comprises determining a traffic intensity of a User Equipment (UE) by which a DRX-based ANR measurement is to be performed. The method further comprises setting a value for a DRX parameter to be used by the UE to perform the DRX-based ANR measurement, in accordance with the determined traffic intensity of the UE. The method further comprises transmitting the value set for the DRX parameter to the UE. The present invention further provides an associated BS adapted to perform DRX parameter configuration to facilitate ANR measurement.

The embodiment of the invention discloses a non-public network configuration method and device, a CU, DUs, a base station and a computer readable storage medium, and the method comprises the steps that the CU obtains the configuration information of CAG cells of one or more DUs in the base station to which the CU belongs; and the CU informs the DU of the information of the activated CAG cell. According to the embodiment of the invention, the blank of CAG cell configuration in a CU-DU separated network architecture is filled up; the CAG cell configuration of the CU node and the DU node is realized, so that the CU/DU can cooperatively page UE and user initial access based on the CAG cell configuration, and notify other base stations of the CAG cell configuration for inter-base-station resource coordination.

When a connecting destination base station apparatus included in a message including an identifier of a base station apparatus serving as a connecting destination of a mobile station apparatus is different from a connecting source base station apparatus stored in an EPS bearer context, rearrangement of local PDN connection is requested to an L-PGW unit of the connecting destination base station apparatus and local PDN connection is deleted. After establishment of a wireless bearer is completed between the mobile station apparatus and the connecting destination base station apparatus, the connecting destination base station apparatus is instructed to start proxy transmission of neighbor advertisement instead of the mobile station apparatus. In base stations that support local IP access, when UE performs service request processing or handover processing between home base stations, it is possible to continue communication session using local IP access while suppressing alterations to existing system to the minimum.

In a radio communication system wherein radio frequencies for communicating with a radio terminal are different in radio base stations, a table in which positional information, information on the frequency used for transmission/reception to/from the terminal, and a decision condition in a handoff operation are stored as to each base station is prepared in a base station controller beforehand. When the positional information is received from the radio terminal, the base station controller selects the base station being a handoff candidate, on the basis of the positional information of the radio terminal, the positional information of each base station and the decision condition of the handoff operation with reference to the table, and it transmits a handoff request message which contains the information on the frequency of the base station being the handoff candidate, to the radio terminal through the base station communicating with the radio terminal.

A wireless meshed network access authentication method belongs to the computer network field. When the system is initializing, offline CA gives a public-private key pair respectively to the system and itself; user provides user basic information to the offline CA to register for obtaining a public-private key pair and a public key certificate before accessing the network; if user want to serve as a backbone or an area router, it further need to provide an application; the offline CA selects users with better performances to serve as backbone and area router; the backbone router manages the system public-private key pair according to (n, t) threshold system, and gives authorization certificates and identity-based private keys to users. if a user want to enter some area, it provides the authorization certificate to the area router of the area, verifying with the area router to each other by the authorization certificates, and negotiating the authorization secret key of itself using three-sides agreement algorithm in order to access the area network. The method can effectively prevent unauthorized user from entering into network, and enable the authorized user to be quickly authenticated to acquire the resource service in network.

The disclosure is directed to a network link topology adaptation method for an IAB node and an IAB node using the same method. In an aspect, the disclosure is directed to a network link topology adaptation method used by a transmitting IAB node, and the method would include not limited to: receiving a topology adaptation configuration which comprises a blockage-related parameter from an upstream IAB node; determining whether a blockage condition of a radio link has occurred based on the blockage-related parameter; and transmitting a request to trigger a switch from a first network link topology to a second network link topology.

An apparatus and method are provided for displaying information in a Bluetooth communication mode of a wireless terminal. When devices for performing Bluetooth communication in the wireless terminal are searched, a controller of the wireless terminal classifies the searched devices according to device type, displays the classified devices, provides notification of an inactivated service state for the Bluetooth communication, and configures first submenus. If a corresponding device is selected from the searched devices and is Bluetooth-connected, the controller provides notification of an activated service state for the Bluetooth communication and configures second submenus. If a corresponding service is performed between the wireless terminal and the corresponding device through the Bluetooth communication, the controller provides notification of a current service state.

In a network that roughly comprises a temporary master station and a plurality of slave stations and is an adhoc network, which can be immediately constructed in situ, and is a temporary master station interposition-type network in which a temporary master station is present, the temporary master station receives and judges an interference detection packet sent from the slave station. By virtue of this construction, an asynchronous interference avoiding method and an asynchronous interference avoiding system can be realized which can reliably avoid interference.

The embodiment of the invention discloses the switching method of a bus code. The method is characterized by collecting the position information and the WiFi information of a mobile terminal when thewake-up operation of the bus code is detected; if the position information and the WiFi information are collected, searching a bus site set matching with the WiFi information from the mapping databaseof the bus sites and WiFi; then, searching the matched bus site from the bus site set; and finally, using the type of the matched bus site to switch the bus code. The bus site is matched with the WIFI to realize accurate identification from the mobile terminal to the bus site. The bus code is automatically switched under the condition that the bus site is accurately identified, and the probability of manually switching the bus code is reduced. Under the condition that the WiFi information of the mobile terminal is not collected, the type of the matched bus site of the mobile terminal is predicted by using a riding preference model, and the accuracy of prediction is improved. And then, the bus code is switched through using the type of the matched bus site so as to reduce the probability of manually switching the bus code.

The present invention relates to a method of automatic networking on the basis of the position and the time, and a system of automatic networking at a mobile terminal on the basis of the position and the time. The system provided by the invention comprises an obtainment unit, a determination unit and an opening unit. The obtainment unit is configured to obtain information of positions and time; the determination unit is configured to determine whether the distance between a current position and a preset position is less than or equal to a preset distance threshold or not, if yes, the distance between a current position and a preset position is less than or equal to a preset distance threshold, it is determined whether the time interval between a current time and a preset time is less than or equal to a preset duration threshold or not; and the opening unit is configured to open an WIFI automatic connection function if the time interval between a current time and a preset time is less than or equal to a preset duration threshold. Thus, the method of automatic networking on the basis of the position and the time and the system of automatic networking at a mobile terminal on the basis of the position and the time are able to open a WIFI automatic connection function at a special position and time, are energy and power saving, convenient and practical.

Relay station (200) in a communication system using PCells and Scells for backhaul communication, and configuring DL BHSFs of the PCell, and UL BHSFs of the PCell located after a prescribed number of subframes after a DL BHSF includes: ACK/NACK generator (203) generating a response signal for a downlink signal received in PCell and SCells from base station (100); transmitter (205) transmitting a response signal in response to a downlink signal received in an SCell in a DL BHSF configured at a timing different from that of the DL BHSF of the PCell, the response signal in UL BHSFs of the SCell a prescribed number of subframes after the DL BHSF, and a response signal for a downlink signal received in an SCell in a DL BHSF having the same timing as that of the DL BHSF of the PCell, and the response in a UL BHSF of the PCell.

Disclosed is a wireless medical sensor network dynamic clustering method. The method is realized through multiple rounds, and each round includes three stages including cluster head generation, cluster forming and cluster operating maintenance. Factors like node remaining energy relation, node energy consumption speed and energy-distance relation are taken into consideration, and the method is supportive of dynamic distribution of wireless medical sensor nodes.

The invention relates to a multi-sink deployment and fault tolerance method for a wireless sensor network. A multi-sink optimal deployment method based on improved particle swarm optimization clustering is firstly brought forward, the improved particle swarm optimization is combined with K-means clustering, clustering and partitioning are carried out on all sensor nodes in a network area, the multiple sink nodes are deployed in the center of each cluster respectively, and thus, effects of reasonable partitioning and optimal multi-sink node deployment of the network are achieved. In addition, in view of a condition in which a certain sink node fails in the multi-sink network, a routing algorithm with a fault tolerance mechanism is brought forward, a fault tolerance mechanism with multi-path routing is adopted, two paths from a source node to different sink nodes are built, and when a certain sink node fails, alternate routing is activated. Through deploying multiple sink nodes in the wireless sensor network, the network reliability can be improved, when one sink node fails, other several sink nodes can replace the node for work, reliable operation of the network is ensured, and the service life of the network is prolonged.

Embodiments of the present application relate to the field of wireless communications, and in particular, to a method and an apparatus for cell search in a sensor system, used for solving the problem in the prior art that an operation time delay is long in cell selection and cell residence. The method of the embodiments of the present application comprises: a terminal determining different types of frequency points in frequency points supported by the sensor system, the frequency points of the sensor system being divided, in a diminishing sequence of priorities, into a first type of authorization frequency point, a first type of non-authorization frequency point, a second type of authorization frequency point and a second type of non-authorization frequency point; and performing, in a diminishing sequence of priorities, cell search and cell residence on the frequency points supported by the sensor system. With the present application, a suitable cell can be selected fast and accurately to perform residence, thereby reducing the operation time delay in cell selection and cell residence after a terminal is started, and improving user experience.

A method of establishing a relationship between access nodes in a wireless communications network is provided. An access node is registered with the network. Information about each access node registered with the network is then stored at a control node. A list is then compiled at the control node, which includes each access node registered with the network and the list indicates which access node is a neighbour of another access node. This neighbour list is sent from the control node to each access node in the network. When an access node detects other access nodes, this is reported to the control node, which updates the neighbour list to the access nodes.

The invention discloses a telecommunication broadband wireless network access method and wireless network access equipment and aims at providing a shared telecommunication wired access broadband to simultaneously provide a shared broadband access circuit service for wired broadband contracted users and public wireless roaming users. The invention uses the following method to realize the wireless broadband access: the public wireless roaming user can get an access to the wireless network access equipment through a special wireless interface; and after the necessary information processing, the public wireless roaming user can get an access to operator certificate and service devices via a broadband route rented by the wired user to complete the data recovery, security certificate and public network service provision. The wireless network access equipment comprises more than one wireless circuit access modules which can identify internal users and public roaming users through special design; the wireless network access equipment can lead the identified internal users to be linked with an internal local area network firstly; and for identified external roaming users, the wireless network access equipment provides public network broadband services by building up a link which is connected with the certificate and service device of the telecommunication operator via a wired broadband circuit.